Okay, listen:
One reason why i made this bans is, because in my opinion lower Tier have no realistic chances against these banned Pokemon. We are honest: Its even for an OU hard, to take down a Suicune which has used twice or more Calm Mind. (Yeah, i know, Roar/Whirlwind lol). When you have no Tyranitar, Scizor or Heracross its hard for OU to take down Cresselia as well. What should lower Tier with her lower stats do against these? They have no realistic chance.
The secon reason is, that i'm sick of see everytime the "overoveroverused" Team which seems like Infernape/Heatran, Blissey/Cresselia, Gyarados, Celebi and Lucario. I have no problems when seeing some original movesets like a sweeping Snorlax or a Heatran which works with Metal Sound, but when somebody can nothing other, like setting up Dragon Dance on Gyarados/Salamence, then sweep and when i resist their attacks, switch to the defense-goddess Cresselia, this battle is for me like a "repeat". And i cant enjoy those matches. And wifi-battling should make fun, or?